Home / 309,049,349,819.60-463,574,024,729.40-307,090,245,717.20

Finding the Fourth Proportional to 309,049,349,819.60, 463,574,024,729.40 and 307,090,245,717.20

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Solution

The fourth proportional to 309,049,349,819.60, 463,574,024,729.40 and 307,090,245,717.20 is: 460,635,368,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,049,349,819.60 : 463,574,024,729.40 = 307,090,245,717.20 : x
  2. Step 2: Convert to fraction form
    309,049,349,819.60/463,574,024,729.40 = 307,090,245,717.20/x
  3. Step 3: Cross multiply
    309,049,349,819.60x = 463,574,024,729.40 × 307,090,245,717.20
  4. Step 4: Simplify right side
    309,049,349,819.60x = 142,359,061,162,262,802,726,912
  5. Step 5: Solve for x
    x = 142,359,061,162,262,802,726,912/309,049,349,819.60
  6. Step 6: Final answer
    x = 460,635,368,575.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.